Different colors work at different voltages for Piranha LED lamp beads. The working voltage of white piranha LED is 3.0-3.2V. For blue,green and violet light, the working voltage is 3.0-3.2V. Piranha red yellow orange light working voltage is 2.0-2.2V, infrared emission 850NM and receiving 940NM working voltage is 1.3-1.5V